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US8670863B2 - Grain bin for temporary storage of grain - Google Patents

Grain bin for temporary storage of grain Download PDF

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Publication number
US8670863B2
US8670863B2 US12/704,590 US70459010A US8670863B2 US 8670863 B2 US8670863 B2 US 8670863B2 US 70459010 A US70459010 A US 70459010A US 8670863 B2 US8670863 B2 US 8670863B2
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United States
Prior art keywords
grain
bin
conveyor
unloading
inlet
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related, expires
Application number
US12/704,590
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English (en)
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US20100234984A1 (en
Inventor
Jason Luster
Brett D. Andricks
Robert Rasmus
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Novanta Inc
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GSI Group Corp
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Filing date
Publication date
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Priority to US12/704,590 priority Critical patent/US8670863B2/en
Assigned to THE GSI GROUP, LLC reassignment THE GSI GROUP, LLC ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: ANDRICKS, BRETT D., LUSTER, JASON, RASMUS, ROBERT
Publication of US20100234984A1 publication Critical patent/US20100234984A1/en
Assigned to THE GSI GROUP, LLC reassignment THE GSI GROUP, LLC CONVERSION Assignors: THE GSI GROUP, INC.
Application granted granted Critical
Publication of US8670863B2 publication Critical patent/US8670863B2/en
Assigned to ALLY BANK, AS COLLATERAL AGENT reassignment ALLY BANK, AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: INTERSYSTEMS INTERNATIONAL, LLC, AS A GRANTOR, THE GSI GROUP, LLC
Assigned to WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT reassignment WILMINGTON TRUST, NATIONAL ASSOCIATION, AS COLLATERAL AGENT SECURITY AGREEMENT Assignors: INTERSYSTEMS INTERNATIONAL, LLC, THE GSI GROUP, LLC
Expired - Fee Related legal-status Critical Current
Adjusted expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/42—Devices for emptying otherwise than from the top using belt or chain conveyors
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/04—Stacks, ricks or the like
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/04—Stacks, ricks or the like
    • A01F25/10—Shelters ; Open sheds or similar structures
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01F—PROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F25/00—Storing agricultural or horticultural produce; Hanging-up harvested fruit
    • A01F25/14—Containers specially adapted for storing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G65/00—Loading or unloading
    • B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
    • B65G65/34—Emptying devices
    • B65G65/40—Devices for emptying otherwise than from the top
    • B65G65/48—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems
    • B65G65/4809—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially vertical axis
    • B65G65/4836—Devices for emptying otherwise than from the top using other rotating means, e.g. rotating pressure sluices in pneumatic systems rotating about a substantially vertical axis and moving material over a stationary surface, e.g. sweep arms or wheels

Definitions

  • This application relates to the storage of grain, and, in particular, to improvements in grain bins capable of storing millions of bushels of grain.
  • Such temporary storage typically comprised a wall that defined an area, for example, of about 200′ ⁇ 400′ (61 m ⁇ 122 m).
  • the wall comprised an upper generally vertical portion and a lower inwardly sloping portion.
  • the grain was delivered as far into the center of the area defined by the wall to maximize the amount of grain that could be contained within the perimeter of the wall.
  • the grain pile was covered with a tarp. Because the grain was contained in one large pile, the grain could not be easily transferred to rail cars, barges, etc.
  • the tarp When it is time to transfer the grain from the grain pile, the tarp is removed from the pile. Removal of the tarp typically damages the tarp, and hence, the tarp is commonly disposed of. Once the tarp is removed, the grain is exposed and must be moved as quickly as possible to the grain elevator grain bins to maintain the condition of the grain as best as possible. However, if it should rain while the tarp is removed, the grain may need to be reconditioned.
  • blowers are provided either above the pile (at the top of a loading tube) or around the wall. These blowers are operated to draw air through the grail pile, and hence also function to hold the tarp down on the grain pile. Typically, a significant amount of dust is withdrawn from the pile and is expelled by the blowers.
  • a grain for the storage of grain millions of bushels of grain comprises a floor, a peripheral wall and a flexible covering.
  • the grain bin includes an unloading system which enables the grain to be unloaded from the grain bin without the need to remove the covering and which substantially reduces the dust typically produced during unloading of currently used temporary grain bins.
  • FIG. 1 is a side elevational view of a storage bin made in accordance with the claims;
  • FIG. 1A is an enlarged sectional, fragmentary view of the storage bin taken at the circle A-A of FIG. 1 and showing the communication between the unloading system and a bucket elevator;
  • FIG. 1B is an enlarged fragmentary view taken along circle B-B of FIG. 1 showing a blower in a channel of the bin for aeration of grain stored in the bin;
  • FIG. 2 is a top plan view of the bin, but with the tarp or covering removed to more clearly show the inside of the bin;
  • FIG. 3 is a fragmentary perspective view of an unloading system for the bin
  • FIGS. 4A-C are perspective, top plan, and cross-sectional views, respectively, of a junction box for the unloading system; FIG. 4C being taken along line C-C of FIG. 4B ;
  • FIG. 4 d is a cross-sectional view of the junction box and two conveyors of the unloading system
  • FIG. 5 is a sectional view showing a the central point of the unloading system in underground channels beneath a floor of the bin;
  • FIG. 6A is a top plan view of gates positioned above a conveyor of the unloading system to allow grain to fall through into the unloading system;
  • FIGS. 6B and C are top and bottom perspective views of a gate
  • FIG. 7 is a block diagram of a control system for the unloading system.
  • a grain bin 10 comprises a side wall 12 surrounding a floor 14 .
  • the floor 14 is formed on the ground G.
  • the floor and wall are generally circular to define a circle having a diameter of about 400′ (about 120 m).
  • the wall illustratively is 6′ ( ⁇ 2 m) tall.
  • the wall can comprise a bottom inwardly sloping section 12 a ( FIG. 1B ) and an upper generally vertical section 12 b .
  • the wall upper section 12 b can, for example, be made from corrugated sheet metal.
  • the wall 12 can be vertical, i.e., it could be made without the bottom sloping section 12 a .
  • the floor can be made from cement, crushed gravel, or any other material which provides a proper flooring for grain.
  • a cover 16 such as a tarp, is secured to the top of the wall 12 , and extends inwardly and upwardly from the top of the wall 12 to an apex 16 a .
  • the cover 16 is flexible.
  • the tarp cover 16 can, for example, be made from plastic sheeting, canvas, or other flexible materials.
  • the tarp material will be impervious to fluids (i.e., rain, snow, etc.) to protect the grain contained in the bin from the weather.
  • the tarp 16 defines a truncated cone when the bin is filled (as seen in FIG. 1 ).
  • the truncated top of the tarp is defines an opening 16 b into the bin area.
  • the tarp defines an incline of about 23°, which corresponds to the angle of repose of a pile of corn. If other grain is to be stored in the bin, the tarp can be configured to define an angle corresponding to the angle of repose of the grain contained within the bin 10 .
  • the apex 16 a of the tarp 16 is about 87.75° ( ⁇ 26.75 m) above ground level (i.e. above the floor 14 ). It will be appreciated that grain bins of this size are not delivered in an assembled state. Rather, the components of the grain bin are delivered to the site and the grain bin is constructed at the site.
  • the bin 10 is provided with a loading system 30 to deliver grain into the bin.
  • the loading system includes a bucket elevator 32 located outside of the bin wall 12 .
  • the bucket elevator has a lower portion 32 a which is positioned in an upwardly opening pit P in the ground G. Hence, the lower portion 32 a is below the surface of the ground (and thus is below the bin floor 14 ).
  • the bucket elevator extends vertically upwardly from the pit P and has an upper end 32 b which is above the apex of the tarp 16 .
  • a loading system 33 is positioned in the pit P.
  • the loading system 33 receives grain from a transport (i.e., railcar, trailer, barge, etc) and delivers the grain to the bucket elevator 32 .
  • a delivery conveyor 34 (shown in FIG.
  • the delivery conveyor 34 delivers the grain to a centrally positioned drop tube 38 which extends generally vertically through the tarp opening 16 b to the bin floor 14 .
  • the drop tube is perforated along at least the portion of the drop tube that is below the tarp so that the grain can exit the drop tube along the length of the drop tube.
  • This loading system 30 allows for the grain to be deposited within the bin without the need to remove the tarp from the bin wall 12 .
  • the perforated drop tube 38 allows for the grain to fill the bin 10 to its natural angle of repose.
  • the tarp 16 is secured to the drop tube 38 at its apex 16 a by means of cables (which can be comprised of chains, ropes, cords, etc.) (not shown).
  • the cables are connected to a winch system (not shown) to facilitate raising of the tarp 16 during loading, as is known, and to lower the tarp during unloading of the grain from the bin.
  • the ability to raise and lower the tarp allows for the tarp to remain close to the grain, to limit the air gap between the grain pile in the bin 10 and the tarp 16 .
  • the tarp 16 is secured at its periphery to the top of the wall 12 by any conventional means.
  • the bin 10 is also provided with an unloading system 50 which enables the bin to be unloaded from beneath the tarp 16 .
  • the tarp 16 does not need to be removed from the bin to unload grain from the bin.
  • the unloading system 50 allows for delivery of the grain from within the bin directly to transportation equipment (i.e., train cars, boats, barges, trailers, etc.).
  • the bin includes a plurality of channels 52 a - d in the floor 14 which radiate out from the center of the floor and extend to at least to the wall 12 .
  • the channels are preferably equally spaced apart.
  • two adjacent channels define angles of 90°.
  • the channel 52 a (which extends to the pit P) can be 10′ deep by 10′ wide and the channels 52 b - d can be 10′ deep by 8′ wide.
  • the channels 52 a - d are each covered along their length with perforated panels or flooring 54 .
  • the panels 54 span the width of the channels, and a sufficient number of panels are placed across the channels to cover the channels.
  • the perforations in the panels are sufficiently small so as to prevent grain from passing through the perforations.
  • the perforations do, however, allow for air to pass through the panels 54 into the channels 52 a - d.
  • An unloading conveyor 56 is positioned in channel 52 a and extends from the center of the floor to the bucket elevator 32 .
  • the conveyor 56 lies flat along the bottom of the channel 52 a and delivers grain outwardly to the bucket elevator 32 .
  • Feeding conveyors 58 are received in each of the channels 52 b - d .
  • feeding conveyors 58 operate to move grain radially inwardly, to deliver the grain to the unloading conveyor 56 .
  • the feeding conveyors 58 as illustratively shown, only extend about one-half the length of the channels 52 b - d . As seen in FIG.
  • the outer ends of the feeding conveyors 58 rests on the bottom of the channels 52 b - d , and the conveyors 58 slope upwardly to the center point, where the inner end of the feeding conveyors 58 are above the unloading conveyor 56 .
  • the conveyors 56 and 58 are shown in FIG. 3 in more detail.
  • the conveyors 56 and 58 are all closed conveyors.
  • the conveyors 56 and 58 contain elements, such as a moving belt, screw, paddles, etc. which will move grain through the conveyor.
  • the moving elements are controlled by a motor 106 ( FIG. 7 ).
  • Ports or gates 60 are positioned in the channels 52 a - d above the conveyors 56 and 58 .
  • a plurality of gates 60 are placed in the flooring above each channel. That is, the gates define part of the flooring above the channels.
  • the gates 60 are preferably spaced along the channels.
  • the gates can be spaced apart about 10′ ( ⁇ 3 m) on centers. This provides for multiple points for the grain to enter the conveyors along the length of the conveyors. Grain passes from the grain pile into the bin through the gates 60 and into the conveyors 56 and 58 .
  • the conveyors 58 carry the grain radially inwardly toward the center of the bin, in the direction of the arrows A 1 ( FIG. 3 ).
  • the grain carried inwardly by the conveyors 58 is received by the conveyor 56 , and the conveyor 56 carries the grain from the center of the bin outwardly to the bucket elevator 32 in the direction of the arrow A 2 .
  • the conveyor 56 receives grain directly from the grain pile through gates 60 above the conveyor 56 .
  • a junction 62 ( FIGS. 4A-C ) is provided to place the conveyors 58 in communication with the conveyor 56 .
  • the junction 62 includes a central body 64 having a top 64 a and an open bottom 64 b .
  • the body 64 is closed on one side and on its top.
  • Funnels 66 are shown to extend from three sides of the body.
  • the funnels 66 are each defined by a sloping bottom wall 66 a , opposed side walls 66 b and are open at their tops 66 c .
  • a rim 68 surrounds the open top to define an opening into the funnel.
  • the rim 68 is above the level of the body top surface 64 a , and hence, a sloping wall 70 extends from the rear of the rim toward a top edge of the body top surface 64 a .
  • the conveyors 58 are mounted to the funnel 62 , and have exits 58 a which overly the open top of the funnels 66 .
  • the junction body 64 is positioned above an inlet 56 a to the unloading conveyor 56 .
  • the junction 62 places the conveyors 58 in communication with the conveyor 56 , such that the conveyors 58 will deliver grain to the conveyor 58 , and the conveyor 58 will deliver the grain out of the grain bin, as discussed more fully below.
  • the junction box body is shown to be generally rectangular, with funnels 66 connected to three sides of the body.
  • the body could be formed in other configurations (such as triangular, pentagonal, hexagonal, etc.) to provide for more or fewer funnels and thus more or fewer feeder conveyors 58 , as may be desired.
  • the conveyor 56 receives grain from the conveyors 58 . Additionally, the conveyor 56 receives grain through its own inlet ports 60 . Thus, as can be appreciated, the conveyor 56 has to be able to handle significantly more grain than do the conveyors 58 . To this end, as can be seen in FIG. 3 , the channel conveyor 56 is larger than the conveyors 58 . Similarly, as noted above, the channel 52 a (which houses the conveyor 56 ) is larger than the channels 52 b - d (which house the conveyors 58 .
  • the unloading conveyor 56 delivers the grain to the bucket elevator 32 , which as noted above, is outside the bin wall 12 .
  • the bucket elevator 32 includes a grain receiving port 70 into which the conveyor 56 deposits grain.
  • the grain receiving port is in the lower portion 32 a of the bucket elevator in the pit P adjacent the bin 10 .
  • the bucket elevator 32 carriers the grain up and out of the pit P.
  • An unloading tube 72 ( FIG. 1 ) is provided to receive the grain to be unloaded from the bin, and to deliver the grain to transportation equipment (trailers, train cars, barges, ships, etc.).
  • each gate 60 comprises a frame 60 a having front, back and side members, a top surface 60 b which is shorter than the length of the frame, and a sliding plate 60 c .
  • the top surface in combination with the frame, defines an aperture 60 d through which grain can flow.
  • the sliding plate is movable by means of a motor 60 e between a position in which the plate is fully retracted beneath the aperture 60 d (such that the aperture is fully opened) and a position in which the sliding plate 60 d is in a forward most position (such that the aperture is fully closed).
  • the size of the aperture 60 d can be increased or decreased by controlling the motor 60 e .
  • a chute is provided between each gate 60 and the respective conveyor below the gate. The chute connects to the conveyor at an opening to the conveyor. Hence, the grain will flow through the gate aperture 60 d , through the chute and into the conveyor below the gate.
  • the conveyors could be opened along the length of the tops of the conveyors, thereby eliminating the need for discrete openings into the conveyor.
  • the rate of entry of grain into the conveyors is controlled by means of a control system 100 ( FIG. 7 ), so that the rate of entry of grain at each port is substantially equal.
  • the control system 100 includes a flow meter 102 at each port 60 to determine the rate at which grain enters each of the conveyors.
  • the flow meters 102 transmit a signal indicative of the rate of grain flow to a CPU or processor 104 .
  • the processor 104 utilizes the signal from the meters 102 to control the speed of the conveyors and/or the size of the aperture 82 of the ports 86 .
  • the CPU is in communication with the motors 106 of the conveyors, and the CPU can increase or decrease the speed of the conveyors, as it deems necessary to control the rate of grain entering the conveyors.
  • the CPU 104 is in communication with the motor 60 e of each gate 60 . The CPU can control the gate 60 to increase or decrease the size of their respective apertures 60 d , as deemed necessary, to maintain an equal flow rate of grain through each port 60 .
  • the grain bin unloading system can be provided with at least one bin sweep 90 ( FIG. 2 ) located along the path of each channel 52 a - d . As shown in FIG. 2 , the bin sweeps 90 are located approximately mid-way along the length of each channel, such that the sweeps 90 are located proximate the ends of the feeding conveyors 58 and approximately at the mid-point of the unloading conveyor 56 .
  • additional bin sweeps can be positioned along the length of the channels. Further, additional bin sweeps can be located in a spaced relationship from the channels. These additional bin sweeps would be positioned to sweep grain into the path of the first-noted bin sweeps, such that the first noted bin sweeps could then sweep the grain in to the unloading system.
  • the bin could be provided with one single bin sweep which would extend from the center of the bin to the edge of the bin, and which would direct grain to the gates 60 as the sweep rotated about the bin.
  • the bin 10 includes an aeration system to maintain a flow of air through the grain to maintain the condition of the grain.
  • blowers 92 FIG. 1B
  • the blowers 92 direct air outwardly, away from the bin.
  • air is pulled into the bin from the top of the bin, through the grain pile beneath the tarp, through the perforated floor panels and into the channels 52 b - d.
  • the grain bin 10 and its associated loading system 30 and unloading system 50 are too large to be delivered in an assembled condition.
  • the components of the bin and the loading and unloading system are delivered to the site, and the bin is constructed on site.
  • the various elements that will be delivered include the wall segments to construct the bin wall; the tarp, conveyor sections to construct the conveyors 56 , 58 , perforated flooring plates 54 , gates 60 , blowers 92 , sections for the feed tube 38 and delivery conveyor 34 , components for the bucket elevator 32 and the various gravity dependent feed tubes 36 and 72 .

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Storage Of Harvested Produce (AREA)
  • Chutes (AREA)
US12/704,590 2009-02-13 2010-02-12 Grain bin for temporary storage of grain Expired - Fee Related US8670863B2 (en)

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US12/704,590 US8670863B2 (en) 2009-02-13 2010-02-12 Grain bin for temporary storage of grain

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Cited By (1)

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US20160010354A1 (en) * 2013-02-27 2016-01-14 J&M Industries, Inc. Reinforcement Systems and Methods for Storage Covers

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US20090282747A1 (en) * 2008-05-14 2009-11-19 Epp Richard J Grain bin with person elevator
AT511456B1 (de) * 2011-10-28 2012-12-15 Hargassner Gmbh Vorrichtung zum austragen von schüttgut
CN107140449B (zh) * 2017-06-07 2019-06-04 迈安德集团有限公司 一种圆形料仓
US10509383B2 (en) 2018-01-15 2019-12-17 ISC Companies, Inc. Control system for operating grain bin systems
CN111642254B (zh) * 2020-06-04 2021-07-09 安徽省福宁米业有限公司 一种粮仓用自动化谷物运送装置

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US2288809A (en) 1940-07-29 1942-07-07 Butler Manufacturing Co Cover for grain bins and the like
US3280473A (en) 1965-06-03 1966-10-25 Alan L Sullivan Cereal dryer
US3727656A (en) 1969-09-19 1973-04-17 D Luders Grain storage
US4106649A (en) * 1977-08-22 1978-08-15 Allis-Chalmers Corporation Floating grain bin extension for use with agricultural combine
US4224770A (en) 1978-12-12 1980-09-30 Wayside Manufacturing Co., Inc. Outdoor grain pit cover
US4306490A (en) * 1979-09-24 1981-12-22 Continental Agri-Services, Inc. Fan mount for grain drying and storage bin
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US4493248A (en) 1982-07-06 1985-01-15 Wolstenholme Paul P Storage system for granular materials
US4627333A (en) 1984-11-27 1986-12-09 The Andersons Storage structure
US4726286A (en) * 1984-11-27 1988-02-23 The Andersons Storage structure aeration system
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WO2010093842A2 (fr) 2010-08-19
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